JPS60148633U - Power supply circuit for electronic equipment - Google Patents
Power supply circuit for electronic equipmentInfo
- Publication number
- JPS60148633U JPS60148633U JP3553184U JP3553184U JPS60148633U JP S60148633 U JPS60148633 U JP S60148633U JP 3553184 U JP3553184 U JP 3553184U JP 3553184 U JP3553184 U JP 3553184U JP S60148633 U JPS60148633 U JP S60148633U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- supply circuit
- electronic equipment
- memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Power Sources (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電子機器用電源回路の一例を示す回路図
、第２図は同電子機器用電源回路のタイ −ミングチ
ャート、第３図は本考案の一実施例を示す回路図、第４
図は同実施例のタイミングチャート、第５図及び第６図
は本考案の他の各実施例を −示す回路図であ′る。
ＳＷ・・・・・・電源スィッチ、ＲＥＧ・・・・・・安
定化電源、Ｂ・・・・・・バッテリ、Ｄ、・・・・・・
ダイオード、１・・・・・・メモリバックアップ用電源
回路。
、ＪＤ ノ
’ｉ Ｌ−Ｘ−ｌ−
Ｖｃｃ ※ＺグクFig. 1 is a circuit diagram showing an example of a conventional power supply circuit for electronic equipment, Fig. 2 is a timing chart of the same power supply circuit for electronic equipment, and Fig. 3 is a circuit diagram showing an embodiment of the present invention. 4
The figure is a timing chart of the same embodiment, and FIGS. 5 and 6 are circuit diagrams showing other embodiments of the present invention. SW...Power switch, REG...Stabilized power supply, B...Battery, D...
Diode, 1... Memory backup power supply circuit. , JD no'i L-X-l- Vcc *Zguku
Claims (1)
電源電圧を印加して動作させる安定化電源と、この安定
化電源と前記電源との間に接続される電源スィッチと、
前記電源と前記電子回路との間に接続され−この電子回
路のメモリに前記電源スィッチのしゃ断時に記憶を保持
させるメモリバックアップ用電源回路と、前記電源スィ
ッチの出力を前記メモリバックアップ用電源回路に印加
する回路とを備えた電子機器用電源回路。a stabilized power supply connected between the power supply and the electronic circuit and operating the electronic circuit by applying a predetermined power supply voltage; a power switch connected between the stabilized power supply and the power supply;
a memory backup power supply circuit connected between the power supply and the electronic circuit and causing the memory of the electronic circuit to retain the memory when the power switch is turned off; and a memory backup power supply circuit that applies the output of the power switch to the memory backup power supply circuit. A power supply circuit for electronic equipment equipped with a circuit for
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3553184U JPS60148633U (en) | 1984-03-13 | 1984-03-13 | Power supply circuit for electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3553184U JPS60148633U (en) | 1984-03-13 | 1984-03-13 | Power supply circuit for electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60148633U true JPS60148633U (en) | 1985-10-02 |
Family
ID=30539896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3553184U Pending JPS60148633U (en) | 1984-03-13 | 1984-03-13 | Power supply circuit for electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60148633U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS573164A (en) * | 1980-06-04 | 1982-01-08 | Nippon Denso Co Ltd | Microcomputer control device |
-
1984
- 1984-03-13 JP JP3553184U patent/JPS60148633U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS573164A (en) * | 1980-06-04 | 1982-01-08 | Nippon Denso Co Ltd | Microcomputer control device |
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